Finding the Fourth Proportional to 232,421.19, 320,727.75 and 130,437.12
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Solution
The fourth proportional to 232,421.19, 320,727.75 and 130,437.12 is: 179,995.65
Step by Step Solution
- Step 1: Write the proportion equation
232,421.19 : 320,727.75 = 130,437.12 : x - Step 2: Convert to fraction form
232,421.19/320,727.75 = 130,437.12/x - Step 3: Cross multiply
232,421.19x = 320,727.75 × 130,437.12 - Step 4: Simplify right side
232,421.19x = 41,834,804,014.08 - Step 5: Solve for x
x = 41,834,804,014.08/232,421.19 - Step 6: Final answer
x = 179,995.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.